Proper solvent was extracted by pharmacodynamics screening experiment.
通过药效学实验筛选提取溶剂；
The grinder is a combination of crushing, screening and separating, recovering tiny powders powder grains can be proper adjusted, and it's an ideal equipment.
该磨粉机是粉碎、筛选、超细粉分离回收的组合机组。粉末粒度可按需要任意调节，是频繁更换花色品种的理想设备。
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